Re: smp overhead, and rwlocks considered harmful

From: Aaron Lehmann (aaronl@vitelus.com)
Date: Sun Mar 23 2003 - 16:43:57 EST


On Sat, Mar 22, 2003 at 05:58:16PM -0800, Andrew Morton wrote:
>
> I've been looking at the CPU cost of the write() system call. Time how long
> it takes to write a million bytes to an ext2 file, via a million
> one-byte-writes:

Are you using a sysenter-capable C library?
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